80 CFM, Effective ventilation to remove moisture and reduce the risk of mold or mildew in most full baths, 1.5 Sones for Quiet performance, enough sound to know your fan is on, Retrofit installations can be done entirely from the room-side no attic access required. This means a faster, easier installation, EzDuct Connector can be installed room-side with no attic access required, TrueSeal Damper technology reduces air leakage up to 50%, Brighter white grille blend in to match most common ceiling paint